Guru, Jena
Current rating: 1495
Record: 6-7-2
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 123 | He, Zhongning (1500) | Won 2-0 | +191464 |
| 2standard | 111 | Khoo, Aik Seng (1561) | Won 2-0 | +201484 |
| 3standard | 32 | Tonianse, Andranik (1486) | Draw 1-1 | 01484 |
| 4standard | 114 | Hatch, Gregory (1833) | Won 2-1 | +241508 |
| 5standard | 67 | Mastilero, Oliver (1549) | Lost 1-2 | -171491 |
| 6standard | 109 | Yeh, Chao Lung (1673) | Lost 0-2 | -151476 |
| 7standard | 154 | Capili, Tristan (1521) | Won 2-0 | +191495 |
| average opponent: 1589record: 4-2-1 | new rating: 1495 | |||
| Grand Prix Singapore 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 36 | Wee, Tim Liang (1452) | Lost 0-2 | -191481 |
| 2extended | 130 | Chua, Kim Yong Brian (1471) | Won 2-1 | +181499 |
| 3extended | 110 | Chang, Wai Hou (1517) | Lost 1-2 | -181481 |
| 4extended | 137 | Watabe, Naoto (1497) | Lost 1-2 | -171464 |
| 5extended | 163 | Wilkes, Nat (1465) | Lost 1-2 | -181446 |
| 6extended | 149 | Loh, Chuen Lum (1446) | Draw 1-1 | 01446 |
| 7extended | 132 | Law, Chian Thye (1427) | Won 2-0 | +171463 |
| 8extended | 112 | Chin, Kritz (1465) | Lost 0-2 | -181445 |
| average opponent: 1467record: 2-5-1 | new rating: 1445 | |||